drill trailingSlash

packages/integrations/node/src/http-server.ts

@@ -23,13 +23,14 @@ function parsePathname(pathname: string, host: string | undefined, port: number)
 
 export function createServer(
 	{ client, port, host, removeBase }: CreateServerOptions,
-	handler: http.RequestListener
+	handler: http.RequestListener,
+	trailingSlash: string
 ) {
 	const listener: http.RequestListener = (req, res) => {
 		if (req.url) {
 			let pathname: string | undefined = removeBase(req.url);
 			pathname = pathname[0] === '/' ? pathname : '/' + pathname;
-			const encodedURI = parsePathname(pathname, host, port);
+			let encodedURI = parsePathname(pathname, host, port);
 
 			if (!encodedURI) {
 				res.writeHead(400);
@@ -37,7 +38,21 @@ export function createServer(
 				return res;
 			}
 
-			const stream = send(req, encodedURI, {
+			let pathForSend = encodedURI;
+
+			if (trailingSlash === 'never') {
+				if (pathname.endsWith('/')) {
+					encodedURI = parsePathname(pathname.substring(0, pathname.length - 1), host, port);
+					if (!encodedURI) {
+						res.writeHead(400);
+						res.end('Bad request.');
+						return res;
+					}
+				}
+				pathForSend = encodedURI + '/';
+			}
+
+			const stream = send(req, pathForSend, {
 				root: fileURLToPath(client),
 				dotfiles: pathname.startsWith('/.well-known/') ? 'allow' : 'deny',
 			});
@@ -64,9 +79,11 @@ export function createServer(
 					location = req.url + '/';
 				}
 
+				if (!pathForSend.endsWith('/')) {
 					res.statusCode = 301;
 					res.setHeader('Location', location);
 					res.end(location);
+				}
 			});
 			stream.on('file', () => {
 				forwardError = true;

packages/integrations/node/src/index.ts

@@ -46,6 +46,7 @@ export default function createIntegration(userOptions: UserOptions): AstroIntegr
 					server: config.build.server?.toString(),
 					host: config.server.host,
 					port: config.server.port,
+					trailingSlash: config.trailingSlash,
 				};
 				setAdapter(getAdapter(_options));
 

packages/integrations/node/src/standalone.ts

@@ -53,7 +53,8 @@ export default function startServer(app: NodeApp, options: Options) {
 			host,
 			removeBase: app.removeBase.bind(app),
 		},
-		handler
+		handler,
+		options.trailingSlash
 	);
 
 	const protocol = server.server instanceof https.Server ? 'https' : 'http';

packages/integrations/node/src/types.ts

@@ -15,6 +15,7 @@ export interface Options extends UserOptions {
 	port: number;
 	server: string;
 	client: string;
+	trailingSlash: string;
 }
 
 export type RequestHandlerParams = [